20786580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{6793}}^1$

素因数の和:6825

約数の個数: 72

約数和(自身を含む): 66771432

約数和(自身を除く): 45984852

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 45, 51, 60, 68, 85, 90, 102, 153, 170, 180, 204, 255, 306, 340, 510, 612, 765, 1020, 1530, 3060, 6793, 13586, 20379, 27172, 33965, 40758, 61137, 67930, 81516, 101895, 115481, 122274, 135860, 203790, 230962, 244548, 305685, 346443, 407580, 461924, 577405, 611370, 692886, 1039329, 1154810, 1222740, 1385772, 1732215, 2078658, 2309620, 3464430, 4157316, 5196645, 6928860, 10393290, 20786580]

約数ペア:

[(1, 20786580), (2, 10393290), (3, 6928860), (4, 5196645), (5, 4157316), (6, 3464430), (9, 2309620), (10, 2078658), (12, 1732215), (15, 1385772), (17, 1222740), (18, 1154810), (20, 1039329), (30, 692886), (34, 611370), (36, 577405), (45, 461924), (51, 407580), (60, 346443), (68, 305685), (85, 244548), (90, 230962), (102, 203790), (153, 135860), (170, 122274), (180, 115481), (204, 101895), (255, 81516), (306, 67930), (340, 61137), (510, 40758), (612, 33965), (765, 27172), (1020, 20379), (1530, 13586), (3060, 6793)]